Digital drum/rotor micrometer



FIG. 1 is a perspective view of a digital drum/rotor micrometer showing my new design;

FIG. 2 is a front plan view thereof;

FIG. 3 is a rear plan view;

FIG. 4 is a left side elevation view, showing my new design;

FIG. 5 is a right side elevation view;

FIG. 6 is top plan view thereof; and,

FIG. 7 is bottom plan view. 

The ornamental design for a digital drum/rotor micrometer, as shown and described. 